OHA Drinking Water Services
OR41
PWS ID: 00922 ---- VERNONIA, CITY OF

See also: Coliform Schedules  ::  LT2 Schedules

Chemical Sampling Schedule Status
Facility
ID		 Analyte or Group   Sampling
Interval		 Monitoring Period Days
Until
End		 Samples
Required		 Samples
Received		 Last
Sample
Date
Start End
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON Quarterly10/01/2024 - 12/31/2024 26 1 incomplete 07/10/2024
DIST-A  Distribution System ASBESTOS, DIST  9 Years 01/01/2020 - 12/31/2028 1,487 1 incomplete11/05/2019
DIST-A  Distribution System DBP2 HAA5 ONLY notesYearly01/01/2024 - 12/31/2024 26 1 done 06/04/2024
 Seasonal sampling period:  06/01  thru  06/30
DIST-A  Distribution System DBP2 TTHM ONLY notesYearly01/01/2024 - 12/31/2024 26 1 done 09/24/2024
 Seasonal sampling period:  09/01  thru  09/30
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   10 07/20/2022
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR ROCK CREEK ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,487 1 incomplete11/05/2019
EP-A  EP FOR ROCK CREEK IOC notes9 Years 01/01/2020 - 12/31/2028 1,487 1 incomplete11/05/2019
EP-A  EP FOR ROCK CREEK NITRATE  Yearly01/01/2024 - 12/31/2024 26 1 done 06/04/2024
EP-A  EP FOR ROCK CREEK NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,487 1 incomplete11/05/2019
EP-A  EP FOR ROCK CREEK RAD - GROSS ALPHA  9 Years 01/01/2017 - 12/31/2025 391 1 incomplete12/13/2010
EP-A  EP FOR ROCK CREEK RAD - RADIUM 226/228 9 Years 01/01/2017 - 12/31/2025 391 1 incomplete12/13/2010
EP-A  EP FOR ROCK CREEK RAD - URANIUM  9 Years 01/01/2017 - 12/31/2025 391 1 incomplete12/13/2010
EP-A  EP FOR ROCK CREEK SOC  3 Years 01/01/2023 - 12/31/2025 391 1 incomplete11/08/2022
EP-A  EP FOR ROCK CREEK VOLATILE ORGANICS  Yearly01/01/2024 - 12/31/2024 26 1 done 06/04/2024
WTP-A  TP FOR ROCK CREEKTOTAL ORGANIC CARBON Quarterly10/01/2024 - 12/31/2024 26 1 incomplete 07/10/2024

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More information for this water system: SDWIS ID 3998
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